Users

You know what's cool? One billion users.OK, now that that's out of the way, lets discuss the big Facebook news, which is that the social network recently topped one billion users. This amounts to about 15% of the world's population.

While there might not be a spot in ‘The Guinness Book of World Records’ to praise Facebook’s oldest registered user — maybe there should be.On Monday, Florence Detlor, the social network’s oldest registered user, celebrated her 101st birthd…